Q: Is 21,424,105 a Composite Number?

 A: Yes, 21,424,105 is a composite number.

Why is 21,424,105 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 21,424,105 can be evenly divided by 1 5 43 215 251 397 1,255 1,985 10,793 17,071 53,965 85,355 99,647 498,235 4,284,821 and 21,424,105, with no remainder.

Since 21,424,105 cannot be divided by just 1 and 21,424,105, it is a composite number.


More Examples

Number 21,424,10321,424,10421,424,10621,424,107
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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